<!DOCTYPE html>
<html lang="zh-CN">
  <head>
    <meta charset="UTF-8" />
    <meta
      name="viewport"
      content="width=device-width, initial-scale=1.0, user-scalable=0"
    />
    <meta http-equiv="X-UA-Compatible" content="ie=edge" />
    <title>first page</title>
  </head>
  <body>
    <h1>Hello World!!!</h1>
  </body>
</html>